Help with creating a login page using a dashboard

Hello everyone, I have a problem with the login page that I created, I can log in if I enter the correct usernames and passwords, however if I press the LOGIN button several times it triggers a pop up that I created, I wanted It only gives this error when I type in the wrong username and password and press the button, but I've already tried and it won't budge.

My flow:

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Detail: The username and password value only goes if you press enter or tab

usuario "manutencao"
senha "cfp101"

Thanks for the answer, but in this application I can't use other nodes, just the node patterns and the dashboard UI

because the join node just waits for any 2 messages to come. Make the join node a key/value Object , it should solve your issue. I have not checked the flow myself, as there is some issue with your flow.

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sorry, i could not follow what you meant here.